Which version of ZK are you using? Thanks,
Jun On Thu, Jun 6, 2013 at 3:26 PM, Ashish Nigam <ashnigamt...@gmail.com> wrote: > Hi, > I am getting exception when Producer tries to send messages to Kafka queue. > > It tries to connect to zookeeper instances and then throws exception. > Here's initial log - > > 06 Jun 2013 15:17:29,541 [DEBUG] ZkConnection | Creating new > ZookKeeper instance to connect to 172.16.1.104:2181 > > 06 Jun 2013 15:17:29,541 [INFO ] ZkEventThread | Starting > ZkClient event thread. > > 06 Jun 2013 15:17:31,610 [DEBUG] ZkClient | Awaiting > connection to Zookeeper server > > 06 Jun 2013 15:17:31,611 [DEBUG] ZkClient | Waiting for > keeper state SyncConnected > > 06 Jun 2013 15:17:32,787 [DEBUG] ZkClient | Received event: > WatchedEvent state:SyncConnected type:None path:null > > 06 Jun 2013 15:17:32,787 [INFO ] ZkClient | zookeeper state > changed (SyncConnected) > > 06 Jun 2013 15:17:32,787 [DEBUG] ZkClient | Leaving process > event > > 06 Jun 2013 15:17:32,787 [DEBUG] ZkClient | State is > SyncConnected > > > After this it throws NumberFormat exception - > > > java.lang.NumberFormatException: null > > at java.lang.Integer.parseInt(Integer.java:417) > > at java.lang.Integer.parseInt(Integer.java:499) > > at scala.collection.immutable.StringLike$class.toInt(StringLike.scala:231) > > at scala.collection.immutable.StringOps.toInt(StringOps.scala:31) > > at > > kafka.producer.ZKBrokerPartitionInfo$$anonfun$kafka$producer$ZKBrokerPartitionInfo$$getZKTopicPartitionInfo$1$$anonfun$5.apply(ZKBrokerPartitionInfo.scala:171) > > at > > kafka.producer.ZKBrokerPartitionInfo$$anonfun$kafka$producer$ZKBrokerPartitionInfo$$getZKTopicPartitionInfo$1$$anonfun$5.apply(ZKBrokerPartitionInfo.scala:171) > > at > > scala.collection.TraversableLike$$anonfun$map$1.apply(TraversableLike.scala:194) > > at > > scala.collection.TraversableLike$$anonfun$map$1.apply(TraversableLike.scala:194) > > at scala.collection.Iterator$class.foreach(Iterator.scala:660) > > at > > scala.collection.JavaConversions$JIteratorWrapper.foreach(JavaConversions.scala:573) > > at scala.collection.IterableLike$class.foreach(IterableLike.scala:73) > > at > > scala.collection.JavaConversions$JListWrapper.foreach(JavaConversions.scala:615) > > at scala.collection.TraversableLike$class.map(TraversableLike.scala:194) > > at > > scala.collection.JavaConversions$JListWrapper.map(JavaConversions.scala:615) > > at > > kafka.producer.ZKBrokerPartitionInfo$$anonfun$kafka$producer$ZKBrokerPartitionInfo$$getZKTopicPartitionInfo$1.apply(ZKBrokerPartitionInfo.scala:171) > > at > > kafka.producer.ZKBrokerPartitionInfo$$anonfun$kafka$producer$ZKBrokerPartitionInfo$$getZKTopicPartitionInfo$1.apply(ZKBrokerPartitionInfo.scala:167) > > at scala.collection.Iterator$class.foreach(Iterator.scala:660) > > at > > scala.collection.JavaConversions$JIteratorWrapper.foreach(JavaConversions.scala:573) > > at scala.collection.IterableLike$class.foreach(IterableLike.scala:73) > > at > > scala.collection.JavaConversions$JListWrapper.foreach(JavaConversions.scala:615) > > at > > kafka.producer.ZKBrokerPartitionInfo.kafka$producer$ZKBrokerPartitionInfo$$getZKTopicPartitionInfo(ZKBrokerPartitionInfo.scala:167) > > at > kafka.producer.ZKBrokerPartitionInfo.<init>(ZKBrokerPartitionInfo.scala:66) > > at kafka.producer.Producer.<init>(Producer.scala:53) > > at kafka.javaapi.producer.Producer.<init>(Producer.scala:33) > > at kafka.javaapi.producer.Producer.<init>(Producer.scala:40) > > at > > com.shn.analytics.shneventprocessor.KafkaTestClient.test(KafkaTestClient.java:86) > > at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) > > at > > sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) > > at > > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) > > at java.lang.reflect.Method.invoke(Method.java:597) > > at > > org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:44) > > at > > org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:15) > > at > > org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:41) > > at > > org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:20) > > at > > org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:28) > > at > org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:31) > > at > > org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:76) > > at > > org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:50) > > at org.junit.runners.ParentRunner$3.run(ParentRunner.java:193) > > at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:52) > > at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:191) > > at org.junit.runners.ParentRunner.access$000(ParentRunner.java:42) > > at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:184) > > at > > org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:28) > > at > org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:31) > > at org.junit.runners.ParentRunner.run(ParentRunner.java:236) > > at > > org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:50) > > at > > org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38) > > at > > org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:467) > > at > > org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:683) > > at > > org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:390) > > at > > org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:197) > > Any idea why would this happen. > > Thanks > Ashish >